Information Disclosure Vulnerability in Qt Framework's WebSocket Module
CVE-2026-114366

2.3LOW

Key Information:

Vendor

Qt

Status
Qt Framework
Vendor
CVE Published:
6 November 2026

What is CVE-2026-114366?

The Qt Framework's WebSocket module exhibits an information disclosure vulnerability that may allow unauthorized access to sensitive data through improper authentication handling. Attackers could exploit this weakness, potentially leading to exposure of confidential information. Developers using affected versions are advised to review security advisories and apply any necessary patches to safeguard their applications.

Affected Version(s)

Qt Framework 6.6.0 < 6.8.10

Qt Framework 6.9.0 < 6.11.3

Qt Framework 6.12.0 < 6.12.1

References

https://wiki.qt.io/List_of_known_vulnerabilities_in_Qt_pr...
vendor-advisory
https://codereview.qt-project.org/c/qt/qtwebsockets/+/772273
patch

CVSS V4

Score:
2.3
Severity:
LOW
Confidentiality:
High
Integrity:
None
Availability:
None
Attack Vector:
Network
Attack Complexity:
Low
Attack Required:
Physical
Privileges Required:
Undefined
User Interaction:
Unknown

Timeline

  • Vulnerability published

  • Vulnerability Reserved

.